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Product overview

Genuine OEM Volkswagen Voltage Regulator, part number 03L903803C. This component is responsible for regulating the output voltage of the alternator, ensuring the battery is charged correctly and the vehicle's electrical systems receive stable power. It is typically mounted on the alternator. Genuine OEM voltage regulators are calibrated to precise specifications, guaranteeing stable voltage output and preventing damage to electrical components.

Technical details

Category
Electrical & Wiring
Country of origin
France
Customs (HS) code
85118000
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
7 × 6.8 × 4.2 cm
Shipping weight
0.14 kg

Parts diagram & fitment

28 vehicles

Voltage Regulator — locate 03L903803C Volkswagen Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.

Parts in this assembly(20)
  • 1Alternator 03C903023T
  • 1AlternatorLeft03L903023
  • 1Alternator 03C903023S
  • 1APart 03C903023TX
  • 1AAlternatorLeft03L903023X
  • 1APartLeft03L903023AX
  • 1APartRight03L903024MX
  • 1AAlternator 03C903023SX
  • 2Part 03C903119C
  • 2Part 022903119C
  • 3Ring 028903237E
  • 4Repair Kit 028903320C
  • 5Part 037145291
  • 6Regulator 06E903803G
  • 6Regulator 07K903803
  • 7Part 06F903193A
  • 7Part 059903193C
  • 8Part N01100840
  • 9Part N90403004
  • 10Part 4D0971992B

Diagrams & fitment data powered by oemdiagrams.com

03L903803C Volkswagen Voltage Regulator | Genuine OEM is fitted on: Scirocco 2.0 2008-2014; Polo 2009-2014; Caddy Maxi Kombi 2010-2015; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; Golf Cabriolet 2011-2016; Tiguan 4Motion 2011-2018; Crafter 35 panel 2011-2016; Golf Plus 2011-2014; transp. caravelle 2011-2015; transp. dropside 2011-2015; California Camper 2011-2015; Passat CC 2011-2016; Polo 2012-2014; Amarok twin cab 2012-2016; Audi A5/S5 Coupe 08> 2007-; AUDI A4 08> 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; Audi A3 Sportback 2008-2013; Audi Q5 qu. 2.0 TDI 2008-2012; Audi A5 Cabrio 2.0 2008-2012; Audi A4 Av. Allroad 2008-2016; Audi TTS Coupe 2.0 2010-2014; Audi A1 Sportback 2010-2015; Audi Q3 quattro 2011-2015; Ibiza Reference 2012-2012; superb comfort 2008-2013.